Search
Search Results
-
Wavelet Transforms for the Simulation of Flow Processes in Porous Geologic Media
Wavelets are localized small waves that exhibit the characteristic oscillatory behavior of waves with an amplitude that declines rapidly to zero....
-
Dynamic Relative Permeabilities for Partially Saturated Porous Media Accounting for Viscous Coupling Effects: An Analytical Solution
We present an analytical model to compute frequency-dependent relative permeability functions for partially saturated porous media accounting for...
-
The traveling wavefront for foam flow in two-layer porous media
The injection of foams into porous media has gained importance as a method of controlling gas mobility. The multilayer structure of the porous medium...
-
Simulation of Reactive Transport in Fractured Porous Media
Numerical simulations of reactive transport in fractured porous media require the solution of coupled physical and chemical processes that depend on...
-
Interface Shapes in Microfluidic Porous Media: Conditions Allowing Steady, Simultaneous Two-Phase Flow
Microfluidic devices offer unique opportunities to directly observe multiphase flow in porous media. However, as a representation of flow in...
-
A virtual element method for the two-phase flow of immiscible fluids in porous media
A primal C 0 -conforming virtual element discretization for the approximation of the bidimensional two-phase flow of immiscible fluids in porous media...
-
Algebraic flux correction finite element method with semi-implicit time step** for solute transport in fractured porous media
This work is concerned with the numerical modeling of the Darcy flow and solute transport in fractured porous media for which the fractures are...
-
Universal Frequency-Dependent Permeability of Heterogeneous Porous Media: Effective–Medium Approximation and Critical-Path Analysis
Experiments, numerical simulations, and analytical models for simple models of porous media, such as a single pore and spatially-periodic models,...
-
Adaptive mesh refinement in locally conservative level set methods for multiphase fluid displacements in porous media
Multiphase flow in porous media often occurs with the formation and coalescence of fluid ganglia. Accurate predictions of such mechanisms in complex...
-
Reflection and Refraction of Plane Waves at an Interface of Water and Porous Media with Slip Boundary Effect
In this paper, the effect of boundary slip on the reflection and refraction of elastic waves at the interface of fluid-saturated porous media is...
-
A level set approach to Ostwald ripening of trapped gas bubbles in porous media
Ostwald ripening of gas bubbles is a thermodynamic process for mass transfer, which is important for both foam enhanced oil recovery and geological CO
-
A Three-Dimensional Homogenization Approach for Effective Heat Transport in Thin Porous Media
Heat transport through a porous medium depends on the local pore geometry and on the heat conductivities of the solid and the saturating fluid....
-
Changes in the Onset of Double-Diffusive Local Thermal Nonequilibrium Porous Convection Due to the Introduction of a Third Component
The two-temperature model of local thermal nonequilibrium is employed to study the onset of convection in a triply diffusive fluid-saturated porous...
-
Lack of Thermal Equilibrium Effects on Convection in a Porous Medium saturated with an Ellis Fluid
The onset of thermal convection in an Ellis fluid-saturated porous medium in the presence of a horizontal pressure gradient yielding a basic...
-
Quasi-implicit treatment of velocity-dependent mobilities in underground porous media flow simulation
Quasi-implicit schemes for treating velocity-dependent mobilities in underground porous media flow simulation, occurring when modeling non-Newtonian...
-
A Compressible Fluid Flow Model Coupling Channel and Porous Media Flows and Its Application to Fuel Cell Materials
A multi-dimensional, compressible fluid flow solver, valid in both channel and porous media, is derived by volume-averaging the Navier–Stokes...
-
Consistency and local conservation in finite-element simulation of flow in porous media
Computational models of subsurface flow involve the coupling between fluid velocity and transport equations. While solving these problems...
-
Convective Stability of a Net Mass Flow Through a Horizontal Porous Layer with Immobilization and Clogging
Solutal convection in a horizontal layer filled with porous media with horizontal seepage of a mixture is investigated considering the solute...
-
An Explanation to the Nusselt–Rayleigh Discrepancy in Naturally Convected Porous Media
We model hydrothermal convection using a partial differential equation formed by Darcy velocity and temperature—the velocity formulation. Using the...
-
Stability and Instability of Darcy–Bénard Problem in Bidispersive Porous Medium with an Exothermic Boundary Reaction
The Darcy–Bénard problem in a bidisperse porous medium with an exothermic reaction at the lower boundary is investigated. The layer is saturated with...
